webpack.common.js

const path = require('path');
const webpack = require('webpack');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');

module.exports = {
    entry: {
        app: './src/index.js'
    },
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: {
                    loader: 'babel-loader'
                },
            },
            {
                test: /\.css$/,
                use: ['style-loader', 'css-loader']
            },
            {
                test: /\.html$/,
                use: ['html-loader']
            },
            {
                test: /\.(jpg|jpeg|png|gif|svg)$/,
                use: [
                    {
                        loader: 'file-loader',
                        options: {
                            name: '[path][name].[ext]',
                        }
                    }
                ]
            }
        ]
    },
    plugins: [
        new CleanWebpackPlugin(['dist']),
        new HtmlWebpackPlugin({
            template: 'src/index.html',
            filename: 'index.html'
        }),
        new CopyWebpackPlugin([{ from: 'src/assets', to: 'assets' }]),
        new webpack.NamedModulesPlugin(),
        new webpack.HotModuleReplacementPlugin(),
        new ExtractTextPlugin({
            filename: '[name].[hash].bundle.css'
        }),
    ],
    output: {
        filename: '[name].[hash].bundle.js',
        path: path.resolve(__dirname, 'dist')
    }
};